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From "ASF subversion and git services (JIRA)" <>
Subject [jira] [Commented] (CLOUDSTACK-2843) Support parallel VM deployment with CloudStack
Date Wed, 19 Jun 2013 17:26:21 GMT


ASF subversion and git services commented on CLOUDSTACK-2843:

Commit 0fe7c5c9353eb1970238015cf48668d196adf82d in branch refs/heads/master-6-17-stable from
[;h=0fe7c5c ]

CLOUDSTACK-2843: Provideded an ability to turn off the synchronization being done on the CS
agent side,
 for number of commands participating in Vm deployment process, as parallel deployment is
supported on the hypervisor side.
The behavior is controlled by global config varirables:

"" (false by default) sets/resets the synchronization
for commands:

"" (false by default) sets/resets the synchronization
for commands:

As a part of the fix, increased the global lock timeout to 30 mins in several VR scripts:

to support situations when multiple concurrent calls to the script are being made.

> Support parallel VM deployment with CloudStack
> ----------------------------------------------
>                 Key: CLOUDSTACK-2843
>                 URL:
>             Project: CloudStack
>          Issue Type: Bug
>      Security Level: Public(Anyone can view this level - this is the default.) 
>          Components: Management Server
>    Affects Versions: 4.2.0
>            Reporter: Alena Prokharchyk
>            Assignee: Alena Prokharchyk
>             Fix For: 4.2.0
> When a user deploys multiple instances concurrently, the deployment of these VMs are
in fact queued up, so although CloudStack reports that all deployments have started to be
created, it would appear in reality that until the 1st instance is deployed, the second, third,
etc are queued and waiting to be executed. 
> CS should be able to support parallel VM deployment assuming the cluster resources can
handle it.
> As a part of it, we have to:
> 1) Set executeInSequence=false for Start/Stop commands (also might make it false for
PrimaryStorageDownload command as well)
> 2) Identify possible implication of turning off the synchronization for those commands,
and fix the problematic places in the code.

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